LangChain plugin for LiveKit Agents

This plugin integrates capabilites from LangChain within LiveKit Agents

Installation

pip install livekit-plugins-langchain

Usage

Using LangGraph workflows

You can bring over any existing workflow in LangGraph as an Agents LLM with langchain.LLMAdapter. For example:

from langgraph.graph import StateGraph
from livekit.agents import Agent, AgentSession, JobContext
from livekit.plugins import langchain

...

def entrypoint(ctx: JobContext):
    graph = StateGraph(...).compile()

    session = AgentSession(
        vad=...,
        stt=...,
        tts=...,
    )

    await session.start(
        agent=Agent(llm=langchain.LLMAdapter(graph)),
    )
    ...

Project links

Data verified by PyPI on Aug 13, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

PyPI data
Data sourced directly from PyPI's database.
  • Released:
Newer release available (1.7.0)

Owner

PyPI data
Data sourced directly from PyPI's database.

Credits

Author: LiveKit

GitHub Statistics

Data verified by PyPI on Aug 13, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

Apache-2.0
View SPDX License List

Requires

Python >=3.10.0

Tags

LangChain LangGraph ai livekit realtime voice

Classifiers

Report project as malware

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